Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325779 | Cellulosic particle | Kenji Yao, Satomi KASHIWAGI, Shota MATOBA, Ayu NAITO, Kazusei YOSHIDA +6 more | 2025-06-10 |
| 12187861 | Cellulosic particle | Kenji Yao, Kazusei YOSHIDA, Ayu NAITO, Yuko IWADATE, Takahiro Ishizuka +3 more | 2025-01-07 |
| 12065547 | Cellulosic particle | Kenji Yao, Hideaki Yoshikawa, Kazusei YOSHIDA, Ayu NAITO, Yuko IWADATE +3 more | 2024-08-20 |
| 12024618 | Resin particles | Kenji Yao, Hideaki Yoshikawa, Kazusei YOSHIDA, Tetsuya Taguchi | 2024-07-02 |
| 11879040 | Resin particles comprising a biodegradable resin and a specific amount of a metal element | Kazusei YOSHIDA, Hideaki Yoshikawa, Kenji Yao, Tetsuya Taguchi | 2024-01-23 |
| 11732099 | Resin particles | Hideaki Yoshikawa, Kenji Yao, Kazusei YOSHIDA, Tetsuya Taguchi | 2023-08-22 |
| 9766565 | Liquid developer and developer cartridge | Koji Horiba, Takako Kobayashi, Akira Imai, Yoshitake OGURA, Hiroyuki Moriya +1 more | 2017-09-19 |
| 9709914 | Liquid developer, developer cartridge, and image forming apparatus | Yoshihiro Inaba, Takako Kobayashi, Daisuke Yoshino, Akira Imai, Koji Horiba +1 more | 2017-07-18 |
| 9568849 | Liquid developer, developer cartridge, and image forming apparatus | Akira Imai, Koji Horiba, Daisuke Yoshino, Takako Kobayashi, Yoshitake OGURA +2 more | 2017-02-14 |
| 9568850 | Positively chargeable toner, liquid developer, developer, developer cartridge, process cartridge, and image forming method | Akira Imai, Yoshihiro Inaba, Takako Kobayashi, Daisuke Yoshino, Hiroyuki Moriya +1 more | 2017-02-14 |
| 9482978 | Liquid developer, developer cartridge, and image forming apparatus | Koji Horiba, Yoshihiro Inaba, Akira Imai, Daisuke Yoshino, Takako Kobayashi +1 more | 2016-11-01 |
| 9436113 | Electrostatic charge image developing toner, liquid developer, and toner cartridge | Akira Imai, Koji Horiba, Takako Kobayashi, Daisuke Yoshino, Yoshihiro Inaba +1 more | 2016-09-06 |
| 9285700 | Liquid developer, particles for liquid developer, and liquid developer accommodation container | Takako Kobayashi, Daisuke Yoshino, Akira Imai, Koji Horiba, Hiroyuki Moriya +1 more | 2016-03-15 |
| 9244393 | Image forming method | Yoshihiro Inaba, Koji Horiba, Akira Imai, Takako Kobayashi, Daisuke Yoshino +1 more | 2016-01-26 |
| 9190259 | Discharge lamp and discharge lamp apparatus | Masahiro Doi, Makoto Deguchi, Osamu Shirakawa, Syuhei Abe, Keisuke Nakazato +2 more | 2015-11-17 |
| 8951704 | Toner, liquid developer, dry developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Koji Horiba, Yoshihiro Inaba, Daisuke Yoshino, Takako Kobayashi, Akira Imai +1 more | 2015-02-10 |
| 8911925 | Liquid developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Yoshihiro Inaba, Akira Imai, Daisuke Yoshino, Takako Kobayashi, Koji Horiba | 2014-12-16 |
| 8741527 | Liquid developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Yoshihiro Inaba, Akira Imai, Daisuke Yoshino, Takako Kobayashi, Koji Horiba +2 more | 2014-06-03 |
| 8679720 | Liquid developer and image-forming apparatus | Kana Mitsuzawa | 2014-03-25 |
| 8658338 | Toner, liquid developer, dry developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Koji Horiba, Takahiro Ishizuka, Yoshihiro Inaba, Akira Imai, Ryosaku Igarashi +2 more | 2014-02-25 |
| 8614045 | Liquid developer and method for producing liquid developer | Kenichi Numakura, Yoshihiro Ueno, Tsutomu Teraoka | 2013-12-24 |
| 8592126 | Liquid developer and image-forming apparatus | Yoshihiro Ueno, Tsutomu Teraoka, Ken Ikuma | 2013-11-26 |
| 8475986 | Toner | — | 2013-07-02 |
| 8268524 | Black toner and image forming method | Yoshihiro Ueno | 2012-09-18 |
| 8206878 | Liquid developer and image forming apparatus | Yoshihiro Ueno | 2012-06-26 |